A342668 - cp's OEIS frontend

A342668 Largest prime in the denominator of ratio A341528(n)/A341529(n) (when presented in its lowest terms).

n	a(n)
1	1
2	3
3	5
4	7
5	7
6	5
7	11
8	3
9	13
10	7
11	13
12	7
13	17
14	11
15	7
16	31
17	19
18	13
19	23
20	7
21	11
22	13
23	29
24	5
25	31
26	17
27	5
28	11
29	31
30	7
31	37
32	3
33	13
34	19
35	11
36	7
37	41
38	23
39	17
40	7
41	43
42	11
43	47
44	3
45	13
46	29
47	53
48	31
49	11
50	31
51	19
52	17
53	59
54	5
55	13
56	11
57	23
58	31
59	61
60	7
61	67
62	37
63	13
64	127
65	17
66	13
67	71
68	19
69	29
70	11
71	73
72	13
73	79
74	41
75	31
76	23
77	13
78	17
79	83
80	31
81	11
82	43
83	89
84	11

[1, 3, 5, 7, 7, 5, 11, 3, 13, 7, 13, 7, 17, 11, 7, 31, 19, 13, 23, 7, 11, 13, 29, 5, 31, 17, 5, 11, 31, 7, 37, 3, 13, 19, 11, 7, 41, 23, 17, 7, 43, 11, 47, 3, 13, 29, 53, 31, 11, 31, 19, 17, 59, 5, 13, 11, 23, 31, 61, 7, 67, 37, 13, 127, 17, 13, 71, 19, 29, 11, 73, 13, 79, 41, 31, 23, 13, 17, 83, 31, 11, 43, 89, 11]

cp's OEIS Frontend

A342668 Largest prime in the denominator of ratio A341528(n)/A341529(n) (when presented in its lowest terms).

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	7
5	7
6	5
7	11
8	3
9	13
10	7
11	13
12	7
13	17
14	11
15	7
16	31
17	19
18	13
19	23
20	7
21	11
22	13
23	29
24	5
25	31
26	17
27	5
28	11
29	31
30	7
31	37
32	3
33	13
34	19
35	11
36	7
37	41
38	23
39	17
40	7
41	43
42	11
43	47
44	3
45	13
46	29
47	53
48	31
49	11
50	31
51	19
52	17
53	59
54	5
55	13
56	11
57	23
58	31
59	61
60	7
61	67
62	37
63	13
64	127
65	17
66	13
67	71
68	19
69	29
70	11
71	73
72	13
73	79
74	41
75	31
76	23
77	13
78	17
79	83
80	31
81	11
82	43
83	89
84	11

n	a(n)
1	1
2	3
3	5
4	7
5	7
6	5
7	11
8	3
9	13
10	7
11	13
12	7
13	17
14	11
15	7
16	31
17	19
18	13
19	23
20	7
21	11
22	13
23	29
24	5
25	31
26	17
27	5
28	11
29	31
30	7
31	37
32	3
33	13
34	19
35	11
36	7
37	41
38	23
39	17
40	7
41	43
42	11
43	47
44	3
45	13
46	29
47	53
48	31
49	11
50	31
51	19
52	17
53	59
54	5
55	13
56	11
57	23
58	31
59	61
60	7
61	67
62	37
63	13
64	127
65	17
66	13
67	71
68	19
69	29
70	11
71	73
72	13
73	79
74	41
75	31
76	23
77	13
78	17
79	83
80	31
81	11
82	43
83	89
84	11

n	a(n)
1	1
2	3
3	5
4	7
5	7
6	5
7	11
8	3
9	13
10	7
11	13
12	7
13	17
14	11
15	7
16	31
17	19
18	13
19	23
20	7
21	11
22	13
23	29
24	5
25	31
26	17
27	5
28	11
29	31
30	7
31	37
32	3
33	13
34	19
35	11
36	7
37	41
38	23
39	17
40	7
41	43
42	11
43	47
44	3
45	13
46	29
47	53
48	31
49	11
50	31
51	19
52	17
53	59
54	5
55	13
56	11
57	23
58	31
59	61
60	7
61	67
62	37
63	13
64	127
65	17
66	13
67	71
68	19
69	29
70	11
71	73
72	13
73	79
74	41
75	31
76	23
77	13
78	17
79	83
80	31
81	11
82	43
83	89
84	11